cmake COMPILE_HAVE_PIXMAPS examples

OSGeo/grass cmake/modules/CheckDependentLibraries.cmake :273

try_compile(
    HAVE_PIXMAPS ${CMAKE_CURRENT_BINARY_DIR}
    ${CMAKE_SOURCE_DIR}/cmake/tests/have_pixmaps.c
    CMAKE_FLAGS "-DINCLUDE_DIRECTORIES:PATH=${OPENGL_INCLUDE_DIR}" "-w"
                "-DLINK_LIBRARIES:STRING=${OPENGL_LIBRARIES}"
    OUTPUT_VARIABLE COMPILE_HAVE_PIXMAPS)

OSGeo/grass cmake/modules/CheckDependentLibraries.cmake :281

message(
      FATAL_ERROR
        "Performing Test HAVE_PIXMAPS - Failed\n COMPILE_OUTPUT:${COMPILE_HAVE_PIXMAPS}\n"
    )